Finding the Third Proportional to 219,938 and 470,980

Step by Step Solution

1. Step 1: Write the proportion equation
   219,938 : 470,980 = 470,980 : x
2. Step 2: Convert to fraction form
   219,938/470,980 = 470,980/x
3. Step 3: Cross multiply
   219,938x = 470,980 × 470,980
4. Step 4: Simplify right side
   219,938x = 221,822,160,400
5. Step 5: Solve for x
   x = 221,822,160,400/219,938
6. Step 6: Final answer
   x = 1,008,566.78